Question: What is working on what in the history of agriculture that is later than -15000-0-0?
Paraphrase: What is working on what within the history of farming that's afterward than -15000-0-0?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q952080 wdt:P2578 ?answer . ?answer wdt:P1319 ?x FILTER(contains(YEAR(?x),'5000'))}